Davis started in commercials, and at age 11 was cast as Louis in the Broadway production of The King and I with Yul Brynner.[1] A national U.S. tour followed and, after 750 performances, Davis returned home to attend school.[3]

Since June 2012, Davis has co-hosted the live improvisational comedy podcast Harmontown with Community creator Dan Harmon, which started taping at Meltdown Comics in Los Angeles. After a stint at the Starburns Castle in Burbank, the show is now being taped at Dynasty Typewriter at the Hayworth Theatre. Davis acts as "comptroller", serving as the show's anchor, announcer and sidekick.[5] In 2014, Game Show Network announced he would host a game show called The Line. He is often confused with Jeff Davis, the creator of the television series Teen Wolf.[6]